AS7C4098A datasheet(5/11 Pages) ALSC

5 / 11 page

AS7C4098A

2/21/06, v 1.2

Alliance Semiconductor

P. 5 of 11

Read waveform 2 (CE, OE, UB, LB controlled)5,7,8

Write cycle (over the operating range)9

Parameter

Symbol

–10

–12

–15

–20

Unit Note

Min

Max

Min

Max

Min

Max

Min

Max

Write cycle time

tWC

10–12–15

–

Chip enable (CE) to write end

tCW

7–8

–

–ns

Address setup to write end

tAW

7–8

–

–ns

Address setup time

tAS

–

0–0–

Write pulse width (OE = High)

tWP1

7–8

–

–ns

Write pulse width (OE = Low)

tWP2

10–12–15

–

Write recovery time

tWR

–

0–0–

Address hold from end of write

tAH

–

0–0–

Data valid to write end

tDW

–

7–9–

Data hold time

tDH

–

0–0–

3, 4

Write enable to output in High-Z

tWZ

2729

3, 4

Output active from write end

tOW

–

3–3–

3, 4

Byte enable Low to write end

tBW

7–8

–

–ns

3, 4

Data valid

tRC

tAA

tBLZ

tBA

tOE

tOLZ

tOH

tOHZ

tCHZ

tBHZ

tACE

tCLZ

Address

LB, UB

DataOUT

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